Log of oil consumption for car 3 CM 87, tracking mileage and oil added over a three-month period.
| Identifier | ExFiles\Box 144\3\ scan0309 | |
| Date | 9th August 1938 | |
| CX. {Major Len W. Cox - Advertising Manager} Re: 3 CM 87 - Oil Consumption. - - - - - - - - - - The sump of the above car was full at the speedo reading of 5712. 6025 1 qrt. 7020 1 qrt. 8215 1 qrt. 8686 1 qrt. 9039 1 qrt. 9260 1 qrt. 9458 1 qrt. 9669 1 qrt. 10700 1 qrt. Taken over a period of 3 months. Miles for period - 4988 to 9 quarts of oil - 2216 m.p.g. RC. {R. Childs} ✓ [Postmark stamp: POST 10 AUG Recd] | ||
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).